/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1999 by Ralf Baechle * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ #include #include /* * This assumes you have a 1.8432 MHz clock for your UART. * * It'd be nice if someone built a serial card with a 24.576 MHz * clock, since the 16550A is capable of handling a top speed of 1.5 * megabits/second; but this requires the faster clock. */ #define BASE_BAUD ( 1843200 / 16 ) #ifndef CONFIG_OLIVETTI_M700 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know exactly which ones ... XXX */ #define JAZZ_BASE_BAUD ( 8000000 / 16 ) /* ( 3072000 / 16) */ #else /* but the M700 isn't such a strange beast */ #define JAZZ_BASE_BAUD BASE_BAUD #endif /* Standard COM flags (except for COM4, because of the 8514 problem) */ #ifdef CONFIG_SERIAL_DETECT_IRQ #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) #else #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF #endif #ifdef CONFIG_SERIAL_MANY_PORTS #define FOURPORT_FLAGS ASYNC_FOURPORT #define ACCENT_FLAGS 0 #define BOCA_FLAGS 0 #define HUB6_FLAGS 0 #define RS_TABLE_SIZE 64 #else #define RS_TABLE_SIZE #endif /* * The following define the access methods for the HUB6 card. All * access is through two ports for all 24 possible chips. The card is * selected through the high 2 bits, the port on that card with the * "middle" 3 bits, and the register on that port with the bottom * 3 bits. * * While the access port and interrupt is configurable, the default * port locations are 0x302 for the port control register, and 0x303 * for the data read/write register. Normally, the interrupt is at irq3 * but can be anything from 3 to 7 inclusive. Note that using 3 will * require disabling com2. */ #define C_P(card,port) (((card)<<6|(port)<<3) + 1) #ifdef CONFIG_MIPS_JAZZ #define _JAZZ_SERIAL_INIT(int, base) \ { baud_base: JAZZ_BASE_BAUD, irq: int, flags: STD_COM_FLAGS, \ iomem_base: (u8 *) base, iomem_reg_shift: 0, \ io_type: SERIAL_IO_MEM } #define JAZZ_SERIAL_PORT_DEFNS \ _JAZZ_SERIAL_INIT(JAZZ_SERIAL1_IRQ, JAZZ_SERIAL1_BASE), \ _JAZZ_SERIAL_INIT(JAZZ_SERIAL2_IRQ, JAZZ_SERIAL2_BASE), #else #define JAZZ_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_MIPS_ATLAS #include #include #define ATLAS_SERIAL_PORT_DEFNS \ /* UART CLK PORT IRQ FLAGS */ \ { 0, ATLAS_BASE_BAUD, ATLAS_UART_REGS_BASE, ATLASINT_UART, STD_COM_FLAGS }, /* ttyS0 */ #else #define ATLAS_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_MIPS_COBALT #define COBALT_BASE_BAUD (18432000 / 16) #define COBALT_SERIAL_PORT_DEFNS \ /* UART CLK PORT IRQ FLAGS */ \ { 0, COBALT_BASE_BAUD, 0xc800000, 7, STD_COM_FLAGS }, /* ttyS0 */ #else #define COBALT_SERIAL_PORT_DEFNS #endif /* * Both Galileo boards have the same UART mappings. */ #if defined (CONFIG_MIPS_EV96100) || defined (CONFIG_MIPS_EV64120) #include #include #define EV96100_SERIAL_PORT_DEFNS \ { baud_base: EV96100_BASE_BAUD, irq: EV96100INT_UART_0, \ flags: STD_COM_FLAGS, \ iomem_base: EV96100_UART0_REGS_BASE, iomem_reg_shift: 2, \ io_type: SERIAL_IO_MEM }, \ { baud_base: EV96100_BASE_BAUD, irq: EV96100INT_UART_0, \ flags: STD_COM_FLAGS, \ iomem_base: EV96100_UART1_REGS_BASE, iomem_reg_shift: 2, \ io_type: SERIAL_IO_MEM }, #else #define EV96100_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_MIPS_ITE8172 #include #include #include #define ITE_SERIAL_PORT_DEFNS \ { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \ irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \ { baud_base: (24000000/(16*13)), port: (IT8172_PCI_IO_BASE + IT8712_UART1_PORT), \ irq: IT8172_SERIRQ_4, flags: STD_COM_FLAGS, type: 0x3 }, \ /* Smart Card Reader 0 */ \ { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR0_BASE), \ irq: IT8172_SCR0_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \ /* Smart Card Reader 1 */ \ { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \ irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, #else #define ITE_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_MIPS_IVR #include #include #define IVR_SERIAL_PORT_DEFNS \ { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \ irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \ /* Smart Card Reader 1 */ \ { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \ irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, #else #define IVR_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_AU1000_UART #include #define AU1000_SERIAL_PORT_DEFNS \ { baud_base: 0, port: UART0_ADDR, irq: AU1000_UART0_INT, \ flags: STD_COM_FLAGS, type: 1 }, \ { baud_base: 0, port: UART1_ADDR, irq: AU1000_UART1_INT, \ flags: STD_COM_FLAGS, type: 1 }, \ { baud_base: 0, port: UART2_ADDR, irq: AU1000_UART2_INT, \ flags: STD_COM_FLAGS, type: 1 }, \ { baud_base: 0, port: UART3_ADDR, irq: AU1000_UART3_INT, \ flags: STD_COM_FLAGS, type: 1 }, #else #define AU1000_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_TOSHIBA_JMR3927 #include #define TXX927_SERIAL_PORT_DEFNS \ { baud_base: JMR3927_BASE_BAUD, port: UART0_ADDR, irq: UART0_INT, \ flags: UART0_FLAGS, type: 1 }, \ { baud_base: JMR3927_BASE_BAUD, port: UART1_ADDR, irq: UART1_INT, \ flags: UART1_FLAGS, type: 1 }, #else #define TXX927_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT #define STD_SERIAL_PORT_DEFNS \ /* UART CLK PORT IRQ FLAGS */ \ { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ #ifdef CONFIG_SERIAL_MANY_PORTS #define EXTRA_SERIAL_PORT_DEFNS \ { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \ { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \ { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \ { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \ { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \ { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \ { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \ { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \ { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \ { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \ { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \ { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \ { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \ { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \ { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \ { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \ { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \ { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \ { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \ { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \ { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \ { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \ { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \ { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \ { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \ { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \ { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \ { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */ #else /* CONFIG_SERIAL_MANY_PORTS */ #define EXTRA_SERIAL_PORT_DEFNS #endif /* CONFIG_SERIAL_MANY_PORTS */ #else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */ #define STD_SERIAL_PORT_DEFNS #define EXTRA_SERIAL_PORT_DEFNS #endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */ /* You can have up to four HUB6's in the system, but I've only * included two cards here for a total of twelve ports. */ #if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS)) #define HUB6_SERIAL_PORT_DFNS \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */ #else #define HUB6_SERIAL_PORT_DFNS #endif #ifdef CONFIG_MCA #define MCA_SERIAL_PORT_DFNS \ { 0, BASE_BAUD, 0x3220, 3, STD_COM_FLAGS }, \ { 0, BASE_BAUD, 0x3228, 3, STD_COM_FLAGS }, \ { 0, BASE_BAUD, 0x4220, 3, STD_COM_FLAGS }, \ { 0, BASE_BAUD, 0x4228, 3, STD_COM_FLAGS }, \ { 0, BASE_BAUD, 0x5220, 3, STD_COM_FLAGS }, \ { 0, BASE_BAUD, 0x5228, 3, STD_COM_FLAGS }, #else #define MCA_SERIAL_PORT_DFNS #endif #ifdef CONFIG_MOMENCO_OCELOT /* Ordinary NS16552 duart with a 20MHz crystal. */ #define OCELOT_BASE_BAUD ( 20000000 / 16 ) #define OCELOT_SERIAL1_IRQ 4 #define OCELOT_SERIAL1_BASE 0xe0001020 #define _OCELOT_SERIAL_INIT(int, base) \ { baud_base: OCELOT_BASE_BAUD, irq: int, flags: STD_COM_FLAGS, \ iomem_base: (u8 *) base, iomem_reg_shift: 2, \ io_type: SERIAL_IO_MEM } #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS \ _OCELOT_SERIAL_INIT(OCELOT_SERIAL1_IRQ, OCELOT_SERIAL1_BASE) #else #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS #endif #ifdef CONFIG_DDB5477 #define DDB5477_SERIAL_PORT_DEFNS \ { baud_base: BASE_BAUD, irq: 12, flags: STD_COM_FLAGS, \ iomem_base: (u8*)0xbfa04200, iomem_reg_shift: 3, \ io_type: SERIAL_IO_MEM},\ { baud_base: BASE_BAUD, irq: 28, flags: STD_COM_FLAGS, \ iomem_base: (u8*)0xbfa04240, iomem_reg_shift: 3, \ io_type: SERIAL_IO_MEM}, #else #define DDB5477_SERIAL_PORT_DEFNS #endif #define SERIAL_PORT_DFNS \ IVR_SERIAL_PORT_DEFNS \ ITE_SERIAL_PORT_DEFNS \ ATLAS_SERIAL_PORT_DEFNS \ COBALT_SERIAL_PORT_DEFNS \ EV96100_SERIAL_PORT_DEFNS \ JAZZ_SERIAL_PORT_DEFNS \ STD_SERIAL_PORT_DEFNS \ EXTRA_SERIAL_PORT_DEFNS \ HUB6_SERIAL_PORT_DFNS \ MOMENCO_OCELOT_SERIAL_PORT_DEFNS\ AU1000_SERIAL_PORT_DEFNS \ TXX927_SERIAL_PORT_DEFNS \ DDB5477_SERIAL_PORT_DEFNS